Slip heel for plows



March 6, 1962 w. H. TANKE 3,023,819

SLIP HEEL FOR PLOWS Filed Aug. 3, 1959 Z t I Z4513 FIG. 4 INVENTOR j; a WILLARD H. TANKE 114 flg BY 7m gm 6 42 ATTORNEY United States Patent Office I 3,023,819 Patented Mar. 6, 1962 3,023,819 SLIP HEEL FOR PLOWS Willard H. Tanke, La Crosse, Wis., assignor to Allis- Chalmers Manufacturing Company, Milwaukee, Wis. Filed Aug. 3, 1959, Ser. No. 831,156 Claims. (Cl. 172738) This invention relates to agricultural implements and more particularly to an improved slip heel for plows.

A slip heel is really a depth gauge carried by a plow bottom. They are not new. See for example the United States patents to Moore 964,115 and Pankey 965,121.

In the past, when plows were made with a single plow bottom and a wooden frame, the slip heel did not carry too large a load. However at present, with the use of multibottom plows and metal frames than can flex, the slip heel must carry a much larger load. The trouble is that prior art slip heels are not suitable for the load placed on them by present day plows.

Some of the reasons prior art slip heels cant stand up under present day loads are:

(1) They dont have enough surface area of the slip heel in contact with the bottom of the furrow. As a result they dont give enough support for the rear plow bottom. However, merely increasing the surface area of the slip heel to withstand the load is not a total solution. This is because the slip heel has a larger area that is unsupported and more easily bends or breaks under the load.

(2) They dont hold their adjusted position. Hard ground often causes the slip heel to move from its adjusted position. This causes uneven plowing. This also results in a loss of time since the slip heel has to be readjusted.

It is an object of this invention to provide a slip heel that can be adjusted to any desired position, and maintained in that position even under the most adverse plowing conditions.

It is another object of this invention to provide a simple bracing arrangement that permits the use of a slip heel with a large surface area to support the plow bottom.

Other objects and advantages will appear from the following description considered in conjunction with the attached drawings, in which:

FIG. 1 is a perspective view of a plow showing the slip heel connected to the rear plow bottom;

FIG. 2 is an enlarged side view of the slip heel shown in FIG. 1;

FIG. 3 is a plan view of FIG. 2; and

FIG. 4 is a sectional view of FIG. 2 taken in the direction of arrows IV-IV showing the connection of the various parts of the slip heel with the landside of a plow bottom.

Invention Generally Referring to FIG. 4 this invention contemplates providing a slip heel 2 with a brace 4 between slide plate member 6 and support member 8 of the slip heel. Brace 4 serves two functions:

(1) It braces the members 6 and 8 so they can withstand greater loads; and

(2) It locks members 6 and 8 in their adjusted positions.

The bracing is accomplished by positioning feet 10 of brace 4 to abut slide plate member 6 in the area adjacent its outer edge 12, and the back 14 of the brace to engage support member 8 in the area adjacent its outer edge 16.

The locking is accomplished by extending feet 10 so that they engage the slide plate member 6. This will prevent the slide plate member from moving upwardly because attaching bolt 18, that clamps the brace to landsid 20, fills bolt hole 22 in the landside and cannot move.

Invention Specifically Referring to FIG. 1 there is disclosed an implement in the form of a three bottom plow 24. The plow is adapted to be connected to a tractor (not shown).

The plow comprises a frame 26, stub beams 28 carried by said frame 26, and plow bottoms 30, 32, 34 carried by said stub beams.

The rear plow bottom 30 is shown as provided with a long landside 20, and slip heel 2 is connected to the landside.

The slip heel is made up of four main parts:

(1) Slide plate member 6.

(2) Support member 8.

(3) Brace 4 extending between said members, and

(4) Means 36 (FIG. 3) to clamp said brace and support member against said landside.

Slide plate member 6 is rectangular in plan (FIG. 3). It has an inner edge 38 and an outer edge 12. The slide plate member extends horizontally, with forward end 40 (FIG. 2) turned up in the manner of a ski.

The support members inner edge 42 is fixed to inner edge 38 of the slide plate member as by welds 44 (FIG. 4). The support member extends Vertically upwardly from said slide plate member and is positioned in lateral relation adjacent said landside.

The brace is positioned between and contacts the slide plate member and the support member. The brace itself comprises an arm 46 and a pair of vertically extending feet 10 mounted for movement in said arm. The rear portion 14 (FIG. 4) of the arm engages the area near upper edge 16 of support member 8.

The arm is provided with projections 48 (FIG. 3) that extend toward outer edge 12 of the slide plate member. The projections are provided with vertical threaded openings 50 (FIG. 2). Feet 10 are carried by said projections.

The feet are in the form of locking bolts that are received by said vertical threaded opening. The feet are spaced horizontally (FIG. 2) and are positioned so that the one head 52 of the foot contacts front end 40 and one head contacts rear end 54 of the slide plate member.

The position of each foot is positively maintained by means of lock nuts 56. As mentioned previously, each foot is positioned to abut the area adjacent the outer edge of said plate member.

Referring to FIG. 3,- means in the form of clamping bolts 18 and nuts 58 are provided to connect said brace 4 and support member 8 to said landside 20. The landside is provided with two horizontally spaced bolt holes 22 (FIG. 4) for the reception of attaching bolts 18. Support member 8 is positioned adjacent said landside and is provided with two vertical slots 62 through which the attaching bolts extend. And finally, arm 46 is positioned adjacent the support member and is provided with openings 64 (FIG. 3) complementary to the openings 22 in said landside also for the passage of said attaching bolts.

Nuts 58 are threaded on attaching bolts 18 to clamp said arm, support member, and landside together.

The purpose of vertical slots 62 in support member 8 is to permit said support member to be moved vertically or tilted *about the axis of either attaching bolt. This permits the slip heel to be moved to a selected position.

The forward attaching bolt 18 (right in FIG. 2) also secures landside brace 66 (FIGS. 1-3) to the landside of the plow bottom. Arm 46 is offset outwardly to receive the end of the brace between the arm and support plate. It is noted that the landside brace is connected to forward attaching bolt 18 for convenience only and in no way changes or affects the operation of the slip heel.

Operation To position slide plate member 6, it is only necessary to loosen lock nuts 56 and the back off feet 10, so feet do not interfere'with movement of the slide plate member. Next, nuts 58 are loosened and the slide plate member moved either vertically or pivoted about the axis of either attaching bolt 18 to a selected position. Once the slide plate member has been placed in a selected position, nuts 58 are then tightened. Then feet 10 are rotated until they abut the surface of the slide plate member, and lock nuts 56 are then tightened.

The slip heel will be rigidly and positively maintained in the selected position by locking bolts-18 and nuts 58, and by feet 10 and nuts 56.

Summary This invention provides a slip heel that can be used with present day plows because it isbraced to withstand the heavy loads placed on it,-and will maintain its adjusted position under the most adverse conditions.

Although but a single embodiment of the present invention has been illustrated anddescribed, it will be apparent to one skilled in the art that various changes and modifications may be made therein without departing from the invention or from the scope of the appended claims. 7

What is claimed is:

.1. An adjustable slip heel, for a plow containing a landside, comprising: a slide plate member having inner and outer edges; a support member having inner and outer edges, said support member being connected at its inner edge to the inner edge of said slide plate member, said support member extending upwardly from said slide plate member; a brace positionedbetween said members, said brace having a back and spaced movable feet, said back of said brace engaging the area adjacent said outer edge of said support member, and said spaced feet movable to engage the area adjacent the outer edge of said slide plate member; means clamping said brace to said landside with said support member sandwiched between said back of said braceand said landside; said support member being constructed to be movable to selected vertical or tilt positions relative to said landside and brace when unclamped, said spaced feet being movable to abut said slide plate member when said slide plate member is clamped in a selected position; and, means to lock said spaced feet in abutting relation with said slide plate.

2. A device as set forth in claim 1, wherein said brace comprises an arm having horizontally spaced projections that extend over the area adjacent said outer edge of said slide plate member; and, each foot is movably supported in an individual spaced projection.

3. A device as set forth in claim 2 wherein said landside and arm are provided with complementary bolt holes; said support plate is provided with vertically extending slots; and said means clamping said brace to said landside includes horizontally spaced attachingbolts that extend through said bolt holes and slots, said vertically extending slots in said support plate permitting said support plate to be moved vertically and tube tilted.

4. An adjustable slip heel, for a plow containing a landside, comprising in combination; two horizontally spaced bolts carried by said landside; a slide plate member having an inner edge and an outer edge; a support member fixed to said inner edge of said slide plate member and extending upwardly therefrom and positioned adjacent said landside; said support member containing a vertical slot for passage of each bolt, said vertical slots permitting said support member to move vertically and to tilt about the axis of either bolt; an arm positioned adjacent the outer edge of said'support member and containing a passage for each bolt; nuts threaded on said bolts to clamp said arm, support member, and landside together; horizontally spaced projections extending from said arm; a bolt threaded thru'each projection and movable into engagement with said slide plate member; and a lock nut carried by each bolt to lock said bolt into position; each'of said bolts positioned to abut the area adjacent the outer edge ofsaid slide plate member to form withsaid arm, a brace between said support member and said slide plate member. v 7

5. An adjustable slip heel, for a plow containing a landside, comprising; a support member mounted for movement on said landside; a slide plate member connected to said support member, said support member and slide plate member forming an I in section; said landside being positioned between the sides of said L that form the excluded'angle; an extensible braceinterconnecting said member; and means fixedly connecting said brace to said landside.

References Cited in the file of this patent UNITED STATES PATENTS 7,994 Hefiley et al. Mar. 25, 1851 880,636 Deevy Mar. 3, 1908 965,121 Pankey July 19, 1910 FOREIGN PATENTS 1,068,316 France Feb. 3, 1954 

